Philips Lighting SON 100W E39 ED75 CL SL/12 :: High Pressure Sodium, Ceramalux Alto, 100W :: PLATT ELECTRIC SUPPLY
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Philips SL*18
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File:Old compact fluorescent lamp.JPG - Wikimedia Commons
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Philips SL*18 Demonstration Lamp
Compact fluorescent lamp | Science Museum Group Collection
Lighting A Revolution: Compact Fluorescent Lamp Drawing
